Alert archive / Colorado / Tornado Warnings in 1994

Tornado Warning 13, NWS Denver/Boulder, CO

August 2, 1994Adams County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Aug 2, 1994, 6:03 PM MDT for Adams County, Colorado. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1994, 6:03 PM MDT (00:03 UTC)
Expired
Aug 2, 1994, 6:20 PM MDT
In force
17 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Adams County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.1 hours before the alert went out and 95 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 1994-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1994-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2382 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDEN 030004
TORDEN
COC001-030020-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
603 PM MDT TUE AUG 02 1994

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 620 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN NORTHEASTERN COLORADO
     EASTERN ADAMS

INCLUDING THE FOLLOWING LOCATIONS
     SHAMROCK

AT 603 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 4 MILES NORTH OF SHAMROCK ...OR ABOUT 47
MILES NORTH OF LIMON.

THE PUBLIC REPORTED A POSSIBLE TORNADO 6 MILES NORTHWEST OF SHAMROCK
SCHOOL AT 557 PM.

THE STORM WAS MOVING SOUTHEAST AT 12 MPH

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT.  GET
UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE.  IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET.  USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY
FROM WINDOWS.

MCQUEEN
LAT...LON 3980 10371 3980 10386 3996 10387 3996 10378

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 6:21 PM MDTSevere Thunderstorm WarningBOUWashington39 min

Nearby

Tornado Warnings in Colorado, 1994Every tornado warning in 1994Tornadoes in 1994

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.